1 files changed, 81 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/config/sysroot.gni b/third_party/libwebrtc/build/config/sysroot.gni
new file mode 100644
index 0000000000..9d2c828c63
--- /dev/null
+++ b/third_party/libwebrtc/build/config/sysroot.gni
@@ -0,0 +1,81 @@
+# Copyright (c) 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This header file defines the "sysroot" variable which is the absolute path
+# of the sysroot. If no sysroot applies, the variable will be an empty string.
+
+import("//build/config/chrome_build.gni")
+
+declare_args() {
+  # The path of the sysroot that is applied when compiling using the target
+  # toolchain.
+  target_sysroot = ""
+
+  # The path to directory containing linux sysroot images.
+  target_sysroot_dir = "//build/linux"
+
+  # The path of the sysroot for the current toolchain. If empty, default
+  # sysroot is used.
+  sysroot = ""
+
+  # Controls default is_linux sysroot. If set to true, and sysroot
+  # is empty, default sysroot is calculated.
+  use_sysroot = target_cpu == "x86" || target_cpu == "x64" ||
+                target_cpu == "arm" || target_cpu == "arm64" ||
+                target_cpu == "mipsel" || target_cpu == "mips64el"
+}
+
+if (sysroot == "") {
+  if (current_os == target_os && target_cpu == target_cpu &&
+      target_sysroot != "") {
+    sysroot = target_sysroot
+  } else if (is_android) {
+    import("//build/config/android/config.gni")
+
+    # Android uses unified headers, and thus a single compile time sysroot
+    sysroot = "$android_toolchain_root/sysroot"
+  } else if ((is_linux || is_chromeos) && use_sysroot) {
+    # By default build against a sysroot image downloaded from Cloud Storage
+    # during gclient runhooks.
+    if (target_cpu == "x64") {
+      sysroot = "$target_sysroot_dir/debian_sid_amd64-sysroot"
+    } else if (target_cpu == "x86") {
+      sysroot = "$target_sysroot_dir/debian_sid_i386-sysroot"
+    } else if (target_cpu == "mipsel") {
+      sysroot = "$target_sysroot_dir/debian_sid_mips-sysroot"
+    } else if (target_cpu == "mips64el") {
+      sysroot = "$target_sysroot_dir/debian_sid_mips64el-sysroot"
+    } else if (target_cpu == "arm") {
+      sysroot = "$target_sysroot_dir/debian_sid_arm-sysroot"
+    } else if (target_cpu == "arm64") {
+      sysroot = "$target_sysroot_dir/debian_sid_arm64-sysroot"
+    } else {
+      assert(false, "No linux sysroot for cpu: $target_cpu")
+    }
+
+    if (sysroot != "") {
+      _script_arch = target_cpu
+      if (_script_arch == "x86") {
+        _script_arch = "i386"
+      } else if (_script_arch == "x64") {
+        _script_arch = "amd64"
+      }
+      #assert(
+      #    exec_script("//build/dir_exists.py",
+      #                [ rebase_path(sysroot) ],
+      #                "string") == "True",
+      #    "Missing sysroot ($sysroot). To fix, run: build/linux/sysroot_scripts/install-sysroot.py --arch=$_script_arch")
+    }
+  } else if (is_mac) {
+    import("//build/config/mac/mac_sdk.gni")
+    sysroot = mac_sdk_path
+  } else if (is_ios) {
+    import("//build/config/ios/ios_sdk.gni")
+    sysroot = ios_sdk_path
+  } else if (is_fuchsia) {
+    if (target_cpu == "arm64" || target_cpu == "x64") {
+      sysroot = "//third_party/fuchsia-sdk/sdk/arch/$target_cpu/sysroot"
+    }
+  }
+}